Question

1. which expression is equivalent to 4(9+3).

Multiple Select three expressions

A. 4(12)
B. 36+3
C. 36+12
D. 4+(9+3)
E. (9+3) +(9+3) +(9+3) +(9+3)

Answer 1

A. 4(12)

C. 36+12

E. (9+3) +(9+3) +(9+3) +(9+3)

Explanation:

`4(9+3)=48`

`4*9=36\\4*3=12`

`48`

`4*12=48`

`36+12=48`

`(9+3) +(9+3) +(9+3) +(9+3)\\12+12+12+12`

=48